Home / 45,619.32-68,363.82-20,597.22

Finding the Fourth Proportional to 45,619.32, 68,363.82 and 20,597.22

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Solution

The fourth proportional to 45,619.32, 68,363.82 and 20,597.22 is: 30,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,619.32 : 68,363.82 = 20,597.22 : x
  2. Step 2: Convert to fraction form
    45,619.32/68,363.82 = 20,597.22/x
  3. Step 3: Cross multiply
    45,619.32x = 68,363.82 × 20,597.22
  4. Step 4: Simplify right side
    45,619.32x = 1,408,104,640.58
  5. Step 5: Solve for x
    x = 1,408,104,640.58/45,619.32
  6. Step 6: Final answer
    x = 30,866.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.